Greater hole on a dam in California

There is it on dam Monticello Dam’s, in northern California. This pipe is capable to pass through itself of 1370 cubic metre of water a second. Depth of a hole of 21 meter. From top to bottom it has the form of a cone which diameter above makes 21,6 meters, and to a bottom is narrowed up to 8,4 meters.

Greater hole on a dam in California

Greater hole in northern California

Greater hole on a dam

Greater hole

Greater hole on a dam

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